This security advisory describes one low risk vulnerability.
CWE-125 - Out-of-bounds Read
Exploit availability: NoDescription
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition within the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase. A remote attacker can create a specially crafted file, containing many directional characters, trick the victim into opening it, trigger out-of-bounds read error and crash the affected application.Mitigation
Install updates from vendor's website.Vulnerable software versions
Qt: 5.11.0, 5.11.1, 5.11.2, 5.11.3, 5.12.0, 5.12.1, 5.12.2, 5.12.3, 5.12.4CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.